Book excerpt: Millions of years before humans began visiting Atlantic and Gulf coast beaches, amazing creatures roamed this region. They are gone now but left behind fossil treasures you can pick up today. A Beachcomber's Guide to Fossils uses hundreds of color close-up photos and detailed descriptions to show you how to recognize these exciting finds. This field guide will help you uncover mysteries hiding among the seashells, sand, and driftwood. You'll learn to identify remnant bones and teeth from mammoths, sharks, armadillos, tortoises, and many other prehistoric giants.